W/O emulsions generated by heavy oil in porous medium and its effect on re-emulsification

• Published in: Fuel (Guildford) Vol. 310; p. 122344
• Main Authors: Liu, Jianbin, Zhong, Liguo, Lyu, Chaohui, Liu, Yigang, Zhang, Shoujun
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 15.02.2022; Elsevier BV
• Subjects: Dehydration; Droplets; Emulsification; Emulsions; Entrapment; Flooding; Fluidity; Heavy oil; Moisture content; Oil; Oil and gas fields; Oil fields; Oil recovery; Oil reservoirs; Permeability; Porous media; Porous medium; R&D; Re-emulsification; Research & development; Shearing; Size distribution; Steam; Surfactants; Viscosity; W/O emulsion; W/O/W emulsion; Water content; Water flooding; Water flow; W/O/W emulsion; Re-emulsification; W/O emulsion; Heavy oil; Porous medium

•The W/O emulsion generation and its influence on re-emulsification was analyzed.•Generation of W/O emulsion during entrapment and water flooding were simulated.•Influencing factors on W/O emulsions emulsification state were analyzed.•Re-emulsification process of W/O emulsion and surfactant solution...